Find the interval of convergence of the series Ž (−1)n (x+10yr n=1 n8" (-14,2] [−1,1] (-14, -2) (-10,10] (-18, -2) [-10,10] [-18,-2) (-4,14] (-18, -2]

Q: Find the 11th term of the harmonic sequence1/5,1/8/1/11,1/14,. . .

A: harmonic progression is 1arithmetic progression the given series has a pattern of = 13+previous term…

Q: Which of the following is the generating function for the sequence 5, 5, 5, 5 O A. G(x)=(1-x) 1 O B.…

A: Generating Function: Generating Function is a way to represent an infinite sequence. Consider a…

Q: * (x+7)" convergent range of series n=1 Select one: a. (-1-7,1-7] (-1,1-7) O C. [z-1,1-7] O d.…

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Q: Σ=on + 5") (-1)" 5n Find the sum of this infinite Series Σ=on +

A: Here we have to find the sum of given infinite series

Q: use series t Find 2-4 x 2.

A:

Q: What is the summation from n = 1 to infinity, of  (3n+1) / (5n + 4) ?

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Q: Q\ Find the infimum and supremum of the sequence (a„)nen = (n(1 +(-1)") + n='((-1)" – 1). nƐN

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Q: E(-2n+5) 22. the sum of the arithmetic series defined by

A: Given,          The arithmetic series defined by ∑n=120-2n+5We know that,         The sum of the…

Q: Find the sum of the series 8 n=1 (-1)¹-1 nen 2n T (-1)" + (-9)" (2n)! √3.3" (2n+1)

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Q: Find the exact sum of the series…

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Q: Find the 81st term in the series defined by Sn= (n-3)²+ (n-5)²+ (n-7)² +(n-9)² +..

A: For this series, 1st term = (n-3)2 2nd term = (n-5)2 So like this nth term = [n-(2p+1)]2 So from…

Q: Find S9 for the series 7 + (-21) + 63 + (-189) + ...

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Q: express (12+x)ln⁡(12+x) as a power series

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Q: The sum of series Ln=1 (2n – 1)(2n + 1) is اخترأحد الخيارات 2 3 -3 312

A: We will use the trick of telescoping series and find the sum. The detailed solution is as follows…

Q: 4. From the series cotan-1 x = 1/x – 1/3x³ + 1/5x³ 1/7x + •··(valid for x > 1) deduce the continued…

A: When a fraction ab is written as, ab=a1a2+b1a3+b2... the representation is known as a continued…

Q: What is the exact value of the series from k=2 to 100 of (2/(k-1))-(2/(k+1))?

A: Distribute the sum with the two parts.

Q: a. the sequence is given by an=1/(n^7/6)      lim n→∞ an=  b.  the sequence is given by…

A: We need to solve separately a. the sequence is given by an=1/(n^7/6)      lim n→∞ an=  b.  the…

Q: Consider the series (-1)n*(3n2+n+5)/(4n3+2) = 5/2 - 3/2 + 19/32 - 7/22

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Q: Solve the recurrence defined by a for n ≥ 1. an 3(6^n)-2 3 and : 6an-1 + 5 an =

A: As per the guidelines I am answering only one question at a time. an=6an-1+5, a0=3

Q: For the series -2 + 3 + (-9/2) + 27/4 + …, S14 =

A: It is a Geometric Progression where first term is -2 and common ratio is -1.5

Q: The first four terms of the sequence (Xn) are given by X1= 1, X2 = 5, X3 = 21, X4= 85. Therefore,…

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Q: Find s12  for the series 2 + (-4) + 8 + (-16) + …

A: The given series is                                2+(-4)+8+(-16)+···